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Finding the Fourth Proportional to 5,930.72, 8,891.76 and 3,852.80

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Solution

The fourth proportional to 5,930.72, 8,891.76 and 3,852.80 is: 5,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.72 : 8,891.76 = 3,852.80 : x
  2. Step 2: Convert to fraction form
    5,930.72/8,891.76 = 3,852.80/x
  3. Step 3: Cross multiply
    5,930.72x = 8,891.76 × 3,852.80
  4. Step 4: Simplify right side
    5,930.72x = 34,258,172.93
  5. Step 5: Solve for x
    x = 34,258,172.93/5,930.72
  6. Step 6: Final answer
    x = 5,776.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.